C|C|C|C| | | |T| | | |C|C|C|C
S|S|S|S|S|S|S|S|S|S|S|S|S|S|S
 |B| |B| | | |X| | | |B| |B| 
5|S|4|S| |S|B|S|B|S| |S|4|S|5
 |B| |B| |B|C|C|C|B| |B| |B| 
B|S|S|S|S|S|S|S|S|S|S|S|S|S|B
B|6| |6| | | |T| | |6| |6| |B
B|S|S|S|S|S|S|S|S|S|S|S|S|S|B
 |B| |B| |B|C|C|C|B| |B| |B| 
5|S|4|S| |S|B|S|B|S| |S|4|S|5
 |B| |B| | | |Y| | | |B| |B| 
S|S|S|S|S|S|S|S|S|S|S|S|S|S|S
C|C|C|C| | | |T| | | |C|C|C|C